Math  /  Geometry

QuestionProve that ACAE=cosϕcosθ\frac{AC}{AE}=\frac{\cos \phi}{\cos \theta} for rectangle ABCDABCD with point EE on BCBC.

Studdy Solution
We can rearrange the equation to isolate the ratio ACAE\frac{AC}{AE} on one side.
ACAE=cosϕcosθ\frac{AC}{AE} = \frac{\cos \phi}{\cos \theta}This proves that ACAE=cosϕcosθ\frac{AC}{AE} = \frac{\cos \phi}{\cos \theta}.

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